package com.hps.demo.api;

/**
 * @Author: hps
 * @Description:
 * @Date: Created in 19:58 2019/7/11
 */
public interface CalculatorService {

    int add(int a, int b);

    int sub(int a, int b);

    int mul(int a, int b);

    int div(int a, int b);
}
